CN214020059U - Kiln tail flue gas treatment system of sludge ceramsite rotary kiln - Google Patents
Kiln tail flue gas treatment system of sludge ceramsite rotary kiln Download PDFInfo
- Publication number
- CN214020059U CN214020059U CN202022862618.2U CN202022862618U CN214020059U CN 214020059 U CN214020059 U CN 214020059U CN 202022862618 U CN202022862618 U CN 202022862618U CN 214020059 U CN214020059 U CN 214020059U
- Authority
- CN
- China
- Prior art keywords
- flue gas
- rotary kiln
- dust collector
- activated carbon
- washing tower
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model relates to a mud haydite rotary kiln tail flue gas processing system, including bag collector, wash column, pickling tower and caustic wash tower, the bag collector air intake is used for connecting the rotary kiln, and the wash column air intake is connected to the bag collector air outlet, and the pickling tower air intake is connected to the wash column air outlet, and the caustic wash tower air intake is connected to the pickling tower air outlet, and mud haydite rotary kiln tail flue gas processing system still is including being arranged in adding the active carbon injection apparatus of active carbon to the bag collector. The activated carbon spraying device sprays activated carbon powder into the bag type dust collector, and the activated carbon powder is uniformly adhered to the surface of the filter bag so as to adsorb harmful gases such as dioxin and the like possibly existing in the flue gas. The flue gas after dust removal is washed by an acid washing tower to remove malodorous gases such as ammonia, and an alkali washing tower to remove acidic gases such as HCL and SO 2. Compared with the prior art, the flue gas can reach the emission standard after being treated; the processing materials only comprise activated carbon powder, acid liquor and alkali liquor, and the cost is low.
Description
Technical Field
The utility model relates to a mud haydite rotary kiln tail flue gas processing system.
Background
The flue gas from the kiln tail of the sludge ceramsite rotary kiln contains dust, dioxin, ammonia, sulfur and other harmful gases; the prior art mainly treats flue gas only, cannot thoroughly eliminate harmful gas in the flue gas, and cannot meet the requirements of environmental protection departments on standard emission; meanwhile, the traditional method for treating dioxin adopts a high-temperature calcination rapid cooling method, so that the treatment cost is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a mud haydite rotary kiln tail flue gas processing system, flue gas after handling through this system can realize flue gas emission to reach standard.
In order to realize the purpose, the utility model discloses a mud haydite rotary kiln tail flue gas processing system adopts following technical scheme: the kiln tail flue gas treatment system of the sludge ceramsite rotary kiln comprises a bag type dust collector, a water washing tower, an acid washing tower and an alkali washing tower, wherein an air inlet of the bag type dust collector is used for being connected with the rotary kiln, an air outlet of the bag type dust collector is connected with an air inlet of the water washing tower, an air outlet of the water washing tower is connected with an air inlet of the acid washing tower, an air outlet of the acid washing tower is connected with an air inlet of the alkali washing tower, and the kiln tail flue gas treatment system of the sludge ceramsite rotary kiln further comprises an active carbon injection device used for adding active carbon into the bag type dust collector.
Has the advantages that: flue gas from the kiln tail of the sludge ceramsite rotary kiln enters a bag type dust collector for dust removal, activated carbon powder is sprayed into a flue gas pipeline by an activated carbon spraying device and then enters the bag type dust collector, and the activated carbon powder is uniformly adhered to the surface of a filter bag and is fully contacted with the filtered flue gas so as to adsorb harmful gases such as dioxin and the like possibly existing in the flue gas. The flue gas temperature after dust removal is generally between 150 ℃ and 220 ℃, the flue gas enters a water scrubber and is in countercurrent contact with circulating water sprayed in the water scrubber, heat exchange is carried out in the process, the flue gas temperature is reduced to be below 100 ℃, the flue gas enters an acid scrubber to remove odorous gases such as ammonia in the gas, the gas washed by the acid scrubber enters an alkaline washing tower through a flue gas pipeline, the flue gas in the alkaline washing tower is washed by alkaline circulating liquid, and acidic gases such as HCL (hydrochloric acid) and SO2 contained in the flue gas are removed. Compared with the prior art, the flue gas can reach the emission standard after being treated; the processing materials only comprise activated carbon powder, acid liquor and alkali liquor, and the cost is low.
Furthermore, the activated carbon injection device comprises an activated carbon storage bin, an activated carbon metering system weightlessness scale and an activated carbon injection fan, wherein the activated carbon metering system weightlessness scale is used for adding activated carbon into a pipeline between the activated carbon injection device and the bag type dust collector, and the activated carbon injection fan is used for sending the activated carbon in the pipeline into the bag type dust collector.
Furthermore, the kiln tail flue gas treatment system of the sludge ceramsite rotary kiln further comprises a cyclone dust collector, an air inlet of the cyclone dust collector is connected with the rotary kiln, an air outlet of the cyclone dust collector is connected with an air inlet of the bag-type dust collector, and the bag-type dust collector is connected with the rotary kiln through the cyclone dust collector. The flue gas of the rotary kiln firstly enters a cyclone dust collector for primary dust removal treatment, most of dust can be effectively removed, and meanwhile, part of heavy metals adsorbed on the dust can be removed at the stage.
Further, the bag type dust collector is a high-temperature bag type dust collector.
Further, the kiln tail flue gas treatment system of the sludge ceramsite rotary kiln further comprises an induced draft fan arranged between the washing tower and the bag type dust collector, wherein the air inlet of the induced draft fan is connected with the air outlet of the washing tower, and the air outlet of the induced draft fan is connected with the air inlet of the pickling tower.
Further, the kiln tail flue gas treatment system of the sludge ceramsite rotary kiln further comprises a deodorization device, the deodorization device comprises an active carbon adsorption device, and an air outlet of the alkaline washing tower is connected with an air inlet of the active carbon adsorption device.
Furthermore, the deodorization device further comprises a plasma all-in-one machine, and an air outlet of the active carbon adsorption device is connected with the plasma all-in-one machine.
The waste gas after wet deacidification and alkali enters a deodorizing device, an activated carbon adsorption device and a plasma all-in-one machine are combined to further deodorize the waste gas, and then the waste gas is discharged through a chimney.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and obviously, the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts;
FIG. 1 is a schematic structural diagram of a specific embodiment of a kiln tail flue gas treatment system of a sludge ceramsite rotary kiln;
fig. 2 is a schematic structural view of an activated carbon injection device.
In the figure: 100-cyclone dust collector, 200-bag type dust collector, 300-activated carbon injection device, 310-activated carbon storage bin, 320-activated carbon metering system weightless scale, 330-activated carbon injection fan, 400-induced draft fan, 500-water scrubber, 600-acid scrubber, 700-alkali scrubber, 800-deodorization device, 810-activated carbon adsorption device, 820-plasma all-in-one machine and 900-chimney.
Detailed Description
In order to make the technical purpose, technical solution and advantageous effects of the present invention clearer, the technical solution of the present invention is further described below with reference to the accompanying drawings and specific embodiments.
The specific embodiment of the kiln tail flue gas treatment system of the sludge ceramsite rotary kiln is shown in fig. 1-2, and comprises a cyclone dust collector 100, a bag type dust collector 200, an activated carbon injection device 300, an induced draft fan 400, a water scrubber 500, an acid scrubber 600, an alkali scrubber 700 and a deodorization device 800, wherein an air inlet of the cyclone dust collector 100 is connected with a flue gas outlet of the kiln tail of the rotary kiln, an air outlet of the cyclone dust collector 100 is connected with an air inlet of the bag type dust collector 200, an air outlet of the bag type dust collector 200 is connected with an air inlet of the induced draft fan 400, an air outlet of the induced draft fan 400 is connected with an air inlet of the water scrubber 500, an air outlet of the water scrubber 500 is connected with an air inlet of the acid scrubber 700, and an air outlet of the acid scrubber 700 is connected with an air inlet of the alkali scrubber 700.
The activated carbon injection device 300 is used for adding activated carbon into the bag-type dust collector 200, the activated carbon injection device 300 comprises an activated carbon storage bin 310, an activated carbon metering system weightlessness scale 320 and an activated carbon injection fan 330, the activated carbon metering system weightlessness scale 320 quantitatively adds activated carbon into a pipeline, and the activated carbon injection fan 330 sends the activated carbon in the pipeline into the bag-type dust collector 200.
The deodorization device 800 comprises an active carbon adsorption device 810 and a plasma all-in-one machine 820, an air outlet of the alkaline tower 700 is connected with an air inlet of the active carbon adsorption device 810, and an air outlet of the active carbon adsorption device 810 is connected with the plasma all-in-one machine 820.
Flue gas from the kiln tail of the sludge ceramsite rotary kiln firstly enters the cyclone dust collector 100 for primary dust removal treatment, most dust can be effectively removed, meanwhile, part of heavy metals adsorbed on the dust are also removed at the stage, then the flue gas enters the bag type dust collector 200 for dust removal, the dust removal efficiency of the bag type dust collector 200 is very high, the range of particle sizes of removable particles is very wide, and the removal rate of the dust reaches more than 99.9%. The activated carbon powder sprayed into the flue gas duct by the activated carbon spraying device 300 enters the bag-type dust collector 200, and the activated carbon powder is uniformly adhered to the surface of the filter bag and fully contacts with the filtered flue gas to adsorb harmful gases such as dioxin and the like possibly existing in the flue gas.
The temperature of the flue gas after dust removal is generally between 150 ℃ and 220 ℃, the flue gas enters the water scrubber 500 after being pressurized by the draught fan 400 and is in countercurrent contact with circulating water sprayed in the water scrubber 500, heat exchange is carried out in the process, the flue gas enters the acid scrubber 600 after the temperature of the flue gas is reduced to be below 100 ℃, malodorous gases such as ammonia in the gas are removed, the gas washed by the acid scrubber 600 enters the alkaline tower 700 through a flue gas pipeline, the flue gas in the alkaline tower 700 is washed by alkaline circulating liquid, and acidic gases such as HCL and SO2 contained in the flue gas are removed.
The waste gas after wet deacidification and alkali enters a deodorization device 800, an activated carbon adsorption device 810 and a plasma all-in-one machine 820 are combined, the waste gas is further deodorized, and then the waste gas is discharged through a chimney 900. Compared with the prior art, the flue gas can be discharged after reaching the standard after being treated, and the treating materials are only activated carbon powder, acid liquor and alkali liquor, so that the cost is low.
In other embodiments, the activated carbon injection device may be configured in other structures, for example, a quantitative activated carbon feeding device is adopted, the quantitative activated carbon feeding device is installed on one side of the bag-type dust collector close to the air inlet, and activated carbon is added into the bag-type dust collector regularly and quantitatively.
In other embodiments, the deodorizing device in the above embodiments may be omitted for some occasions with less malodorous gases in flue gas; further, the deodorizing means may be any one or a combination of two or more of other existing deodorizing means in the prior art.
Finally, it should be noted that: the above-mentioned embodiments are only used for illustrating but not limiting the technical solution of the present invention, and any equivalent replacement and modification or partial replacement which do not depart from the spirit and scope of the present invention should be covered within the protection scope of the claims of the present invention.
Claims (7)
1. Mud haydite rotary kiln tail flue gas processing system which characterized in that: the system comprises a bag type dust collector, a water washing tower, an acid washing tower and an alkali washing tower, wherein an air inlet of the bag type dust collector is used for being connected with the rotary kiln, an air outlet of the bag type dust collector is connected with an air inlet of the water washing tower, an air outlet of the water washing tower is connected with an air inlet of the acid washing tower, an air outlet of the acid washing tower is connected with an air inlet of the alkali washing tower, and the kiln tail flue gas treatment system of the sludge ceramsite rotary kiln further comprises an active carbon injection device used for adding active carbon into.
2. The kiln tail flue gas treatment system of the sludge ceramsite rotary kiln as defined by claim 1, is characterized in that: the activated carbon injection device comprises an activated carbon storage bin, an activated carbon metering system weightlessness scale and an activated carbon injection fan, wherein the activated carbon metering system weightlessness scale is used for adding activated carbon into a pipeline between the activated carbon injection device and the bag type dust collector, and the activated carbon injection fan is used for sending the activated carbon in the pipeline into the bag type dust collector.
3. The kiln tail flue gas treatment system of the sludge ceramsite rotary kiln as defined by claim 1, is characterized in that: the kiln tail flue gas treatment system of the sludge ceramsite rotary kiln further comprises a cyclone dust collector, an air inlet of the cyclone dust collector is connected with the rotary kiln, an air outlet of the cyclone dust collector is connected with an air inlet of the bag-type dust collector, and the bag-type dust collector is connected with the rotary kiln through the cyclone dust collector.
4. The kiln tail flue gas treatment system of the sludge ceramsite rotary kiln as defined by claim 1, is characterized in that: the bag type dust collector is a high-temperature bag type dust collector.
5. The kiln tail flue gas treatment system of the sludge ceramsite rotary kiln as defined by claim 1, is characterized in that: the kiln tail flue gas treatment system of the sludge ceramsite rotary kiln further comprises an induced draft fan arranged between the washing tower and the bag type dust collector, wherein the air inlet of the induced draft fan is connected with the air outlet of the washing tower, and the air outlet of the induced draft fan is connected with the air inlet of the pickling tower.
6. The kiln tail flue gas treatment system of the sludge ceramsite rotary kiln according to any one of claims 1-5, is characterized in that: the kiln tail flue gas treatment system of the sludge ceramsite rotary kiln further comprises a deodorization device, the deodorization device comprises an active carbon adsorption device, and an air outlet of the alkaline washing tower is connected with an air inlet of the active carbon adsorption device.
7. The kiln tail flue gas treatment system of the sludge ceramsite rotary kiln as defined in claim 6, is characterized in that: the deodorization device further comprises a plasma all-in-one machine, and an air outlet of the active carbon adsorption device is connected with the plasma all-in-one machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022862618.2U CN214020059U (en) | 2020-12-03 | 2020-12-03 | Kiln tail flue gas treatment system of sludge ceramsite rotary kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022862618.2U CN214020059U (en) | 2020-12-03 | 2020-12-03 | Kiln tail flue gas treatment system of sludge ceramsite rotary kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214020059U true CN214020059U (en) | 2021-08-24 |
Family
ID=77382867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022862618.2U Active CN214020059U (en) | 2020-12-03 | 2020-12-03 | Kiln tail flue gas treatment system of sludge ceramsite rotary kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214020059U (en) |
-
2020
- 2020-12-03 CN CN202022862618.2U patent/CN214020059U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105642104B (en) | Wet-method desulfurized fume deep-purifying method and device | |
| CN103432887A (en) | Waste incineration flue gas purifying system and process | |
| CN101507895A (en) | Large flue gas desulfurization dust-removal system | |
| CN101829494B (en) | Dry ash wetting and recycling technology for desulfurizing sintered fume by rotary spraying and drying method | |
| CN108211686A (en) | A kind of tail gas photooxidation cracking purification method | |
| CN103185346A (en) | Combined purification system for waste incineration smoke and technology of combined purification system | |
| CN111346624A (en) | Active carbon regenerating unit | |
| CN203437026U (en) | Fume purification system for garbage burning | |
| CN114151817A (en) | Flue gas treatment system and treatment method | |
| CN214020059U (en) | Kiln tail flue gas treatment system of sludge ceramsite rotary kiln | |
| CN107930388A (en) | A kind of coke oven flue gas sulfur removal technology and coke oven flue gas desulphurization system | |
| CN101275746A (en) | Novel wastes incineration flue gas purification system and process thereof | |
| CN111346625A (en) | Many receipts of active carbon high efficiency regenerating unit | |
| WO2018214360A1 (en) | Neutral complex cleaning liquid for calcium-poisoned denitration catalyst and regeneration method | |
| CN205288076U (en) | Flue gas deep purification device behind wet flue gas desulfurization | |
| CN212523640U (en) | Metal sludge sintering flue gas treatment system | |
| CN211358313U (en) | Flue gas deacidification dust pelletizing system | |
| CN211635955U (en) | Flue gas desulfurization ultra-clean discharging equipment | |
| CN204469523U (en) | A kind of industrial foul waste gas purifier | |
| CN113634104A (en) | Treatment process of waste gas generated in kitchen waste treatment process | |
| CN109442974B (en) | Heat energy recycling and waste gas circulating treatment process for dry waste gas | |
| CN209576113U (en) | A kind of ring type roasting furnace waste heat recycling and reusing system that dedusting moisture-catcher is set | |
| CN202740997U (en) | Complete device for processing sludge incineration tail gas by using wet method | |
| CN205235754U (en) | Acid vent gas treatment system in | |
| CN213901109U (en) | Ultralow discharging equipment of sintering flue gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |